889494957 has 12 divisors (see below), whose sum is σ = 1383659004. Its totient is φ = 547381440.

The previous prime is 889494943. The next prime is 889494973. The reversal of 889494957 is 759494988.

889494957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151068681 + 738426276 = 12291^2 + 27174^2 .

It is not a de Polignac number, because 889494957 - 2⁸ = 889494701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 889494894 and 889494903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889494917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3801144 + ... + 3801377.

It is an arithmetic number, because the mean of its divisors is an integer number (115304917).

Almost surely, 2^889494957 is an apocalyptic number.

It is an amenable number.

889494957 is a deficient number, since it is larger than the sum of its proper divisors (494164047).

889494957 is a wasteful number, since it uses less digits than its factorization.

889494957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602540 (or 7602537 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 889494957 is about 29824.4020392698. The cubic root of 889494957 is about 961.7181892598.

The spelling of 889494957 in words is "eight hundred eighty-nine million, four hundred ninety-four thousand, nine hundred fifty-seven".